140740673479 has 8 divisors (see below), whose sum is σ = 162349723008. Its totient is φ = 119507433720.

The previous prime is 140740673471. The next prime is 140740673501. The reversal of 140740673479 is 974376047041.

140740673479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140740673479 - 2³ = 140740673471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140740673471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93951637 + ... + 93953134.

It is an arithmetic number, because the mean of its divisors is an integer number (20293715376).

Almost surely, 2^140740673479 is an apocalyptic number.

140740673479 is a deficient number, since it is larger than the sum of its proper divisors (21609049529).

140740673479 is a wasteful number, since it uses less digits than its factorization.

140740673479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187904885.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 140740673479 in words is "one hundred forty billion, seven hundred forty million, six hundred seventy-three thousand, four hundred seventy-nine".